what is the problem how can I solve this problem?

The problem is you're passing a justify option to something that doesn't take a justify option, as the error message tells you. 

$ perldoc Tk::Menu |grep -i justify

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In reply to Re: Perl tk [ Tk::Text -justify option is not working by Anonymous Monk
in thread Perl tk [ Tk::Text -justify option is not working by Anonymous Monk

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